| 摘要 |
PURPOSE:To reduce in size a power source by outputting flyback energy generated in a coil at the time of driving of a main pulse motor, and supplying it to a sub pulse motor as coil driving energy. CONSTITUTION:Excitation of exciting coils L1', L2' is executed by energy stored in an output capacitor C', and flyback energies generated in the exciting coils L1', L2' are discharged to an output capacitor C through flywheel diodes D1', D8'. The energy discharged to the output capacitor C is used as the part of excitation energy of exciting coils L1, L2. The energy used for the excitation of the exciting coils L1', L2' is necessary to be smaller than the flyback energies generated in the exciting coils L1, L2. A sub pulse motor driving output capacitor C' may have a smaller capacitance than that of main pulse motor driving output capacitor C. |
